Sli.do - Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.
Attendize Event Ticketing - Attendize is a free & open-source ticket selling and event management platform
Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Zoho Backstage - Plan, run, and analyze your event— all from one place
Hypersay - We Create Innovative Technology for Events! Do more with less! Wide range of premium features to fit your event’s needs
Meetup for iOS and Android - Discover groups that are all about the things you love